Learn about CVE-2021-24104, a Spoofing vulnerability impacting Microsoft SharePoint Server with a medium severity. Find out affected systems, mitigation steps, and prevention measures.
Microsoft SharePoint Server Spoofing Vulnerability was published on March 11, 2021, affecting Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, and Microsoft SharePoint Foundation 2013 Service Pack 1.
Understanding CVE-2021-24104
This CVE involves a Spoofing vulnerability in Microsoft SharePoint Server.
What is CVE-2021-24104?
CVE-2021-24104 is a Spoofing vulnerability that impacts Microsoft SharePoint Server, allowing attackers to impersonate users or devices.
The Impact of CVE-2021-24104
The impact of this vulnerability is rated as MEDIUM with a base score of 4.6. It could lead to unauthorized actions and data manipulation.
Technical Details of CVE-2021-24104
This section provides specific technical details of the CVE.
Vulnerability Description
The vulnerability allows attackers to conduct spoofing attacks, posing as legitimate users or devices within the SharePoint Server environment.
Affected Systems and Versions
Microsoft SharePoint Enterprise Server 2016 (16.0.0), Microsoft SharePoint Server 2019 (16.0.0), and Microsoft SharePoint Foundation 2013 Service Pack 1 (15.0.0) are affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability to impersonate users, bypass security mechanisms, and perform unauthorized actions within the SharePoint Server ecosystem.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-24104, users should take immediate steps and adopt long-term security practices.
Immediate Steps to Take
Users are advised to apply security patches released by Microsoft promptly and monitor for any suspicious activities within the SharePoint environment.
Long-Term Security Practices
Implementing multi-factor authentication, regular security audits, and monitoring user activities can enhance the overall security posture and prevent spoofing attacks.
Patching and Updates
Regularly check for security updates from Microsoft and apply patches to ensure that the SharePoint Server is protected against known vulnerabilities.